Paper vessel.



G. w. BE ADLE.

' PAPER VESSEL.

APPLICATION FILED SEPT-27 I915 1 303,569. Patefited Nov. 7, 1916. I

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D STAS PATENT ()FFIC IGNO TO 'EEE SINGLE SERVICE EACKAGE COOBATION, OF NEW YOK, N. Y., A CORPORATION 01 NEW JERSEY.

messes.

Patented Nov. '2, 1916.

Application filed September 27, 1915. serial No. 52,927.

To all whom it may concern:

Be it known that I, Gnonon W. BEADLE, a citizen of the United States, residing at New York city, in the county of New York and State of New York, have invented certain new and useful Improvements in Paper Vessels; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appeitains to make and use the same.

This invention relates to liquid tight paaper vwsels, and has for its object to provi e a vessel which will be more eflicient in service for the purpose intended than those heretofore proposed.

With these and other objects in view the invention consists in the novel details of construction constituting the vessel, all as will be more fully hereinafter disclosed and particularly pointed out in the claims.

In order that the invention may be more clearly understood attention is directed to my U. S. Patent No; 1,133,425 dated March 30th, 1915, entitled machine for closing papercartons in which suitable mechanism is disclosed for producing the vessel. -As will be clear from said patent, it is well known that in the closing of paper vessels that are designed to hold liquid it is essential that an exceedingly tight closure be formed because otherwise owing to the nature of the material and to the subsequent compression of the liquid filled package during handling, the contents are liable to leak out and thereby destroy the efliciency of the package.

In order to provide an exceedingly inexpensive and at the same time a very efficient closure for the vessels I have devised a disk which is slightly larger than the interior of the mouth of the vessel to be closed, and I forcethe said disk into the bottle month without raising a bur on the outer rim of the disk and otherwiseform an exceedingly tight and efficient closure which gives perfoot satisfaction in practice, all aswill be more clearly disclosed hereinafter.

f Referring to the accompanying drawings forming a part .of this specification, in which like numerals designate like parts in all the views-Figure 1 is a diagrammatic sectional 'view illustrating one means of inserting the disk into the vessel body; Fig. 2 is a diagrammatic sectional view showing the disk afterit has been inserted into the vessel body and the beginning of the grooving operation; Fig. 3 is a diagrammatic view illustrating the completed closure formed by the operations indicated in Figs. 1,, and 2;

Fig. 4 is a diagrammatic sectional view illustrating a modified means and method of inserting the disk into the vessel body; and Fig. 5 is a sectional view of a vessel formed from the procedure indicated in Fig. 4.

1 indicates any suitable paper vessel body, preferabl of the spirally wound type, 2 any suita le mandrel inside'the body 1 and provided with the dished or curved extreme member 6, in order to tip the disk 9 and a thereby enable it to readily enterthe body portion 1 all as will be clear from my said patent above.-

The disk 9 being tipped as indicated in' Fig. 1, and the extreme edge 7 of the membeer 6 closely fitting the interior 8 of the said body 1, upon causing a relative movement between the said member 6 and mandrel 2 the said disk 9 is firmly and smoothly forced into the interior of the body 1 and jammed tightl against the curved or dished portion 3 of t e mandrel 2, all as will be clear from Fig. 2. In order to more effectually jam the disk 9 into its proper position, while forcing the extreme edges of the disk home, I provide the plunger 5 with an outwardly curved or partially spherical surface 11 which'is adapted to substantially'fit the curved portion 3 of the mandrel 2 so that the disk 9 is jammed tightly between the surfaces 3 and 11 and its edges are firmly and tightly jammed in place against the interior wall 8 'of the body 1. After the disk is thus forced home the package is subjected to the action of a crimping tool, which turns over theextreme edges 16 of the body 1' and crimps them tightly against the disk 9, all as will be clear from. Figs. 2 and 3. After this crimping action has taken place, and before the mandrel is withdrawn,the body 1 is subjected to the action of a grooving tool 13 Wl'llCh forms in the said body 1 immediately beneath the disk, a groove such as 15, so that the extreme edges 17 of the disk 9 are firmly held between the said groove 15 and the said crimped over edge 16 of the body 1. The disk being thus larger thanthe interior diameter of the body 1 and the material of the said body being of the spirally wound character and containing considerable quantities of glue the said material is more or less soft and pliable, and therefore as it dr es 1t shrinks very materially, and causes the outer portion of the body 1 just opposite the edges 17 of the disk to bulge outwardly to form the circumferential head 18 which is shown in a somewhat exaggerated form in the various figures. That is to say, when the disk is first placed inside the body portion 1 and the edge 16 crimped over in place, the mate- 'rial may be very slightly bulged outward as indicated at 19, on the top side of Fig. 2, and when the grooving tool 13 forms the groove 15 in the said body 1 this bulging action is somewhat increased as is indicated at 20 in Fig. 2, and when the material of the body 1 dries it shrinks to such an extent that the said bulging bead 20 is somewhat increased as is indicated at 18 in Fig. 3. The result of these various operations as is fully disclosed in my said patent above is to provide an exceedingly tight and strong joint which will efiectually withstand commercial handling while the packages contain liquid, and in fact produce a paper vessel having an exceedingly long life and very durable for the handling-of milk, oysters, butter, and

' liquids of all kinds. To facilitate the use of the vessel and to prolong its life it is treated with the usual paraffin bath,-all as is familiar to those skilledin the art.

It will be observed that the vessel closed as above is provided with an inwardly curved disk such as 9 sothat the interior strain of the'vessel tends to still further enlarge the disk and to tighten the joint. In use these curves are often flattened out, so that the disk appears quite flat, although when the strains are not very great upon the disk the curved feature remains.

In the slightly modified form of the invention illustrated in Figs. 4 and 5, the disliis ccording to this modified form of the invention a grooved rib or annular shoulder 25 is first formed in the vessel 1 by any suitable and Well known-means whereupon the-disk 9 slightly larger than the interior 8 of the Vessel is brought to place in a manner best disclosed in my former Patent N 0. 1,125,041 dated J an. 19, 1915, entitled carton capping machine from which said modified form of the invention is divided. The disk 9 being thus brought in place the pivoted springmosses be subjected to the action of any suitable crimping machine and the upper edge 30 of the body 1, crimped down. in position as illus trated in Fig. 5 whereupon the said disk 9 is firmly locked in place. During this crimping action a mandrel may be inserted in the body 1 as is indicated in Fig. 1 or if the other end of the body 1 is already closed said mandrel of course would be omitted.

The material of the body 1 being likewise softened by glue or by other means it will upon drying appreciably contract and thus cause the extreme edges 27 of the disk to force outwardly the said material and to thereby form the annular exterior bead 31 which is shown somewhat exaggerated in Fig. 5.

It will thus be seen that in both forms of the invention I am enabled to make an exceedingly liquid tight joint by first forcing inside the paper body portion of the vessel a disk slightly larger than the interior diameter thereof, say about one thirty second of an inch larger than said diameter and by forcing the disk firmly against a mandrel.

.It will further be seen that the disk in both forms of the invention is forced home without any bur being formed on its exterior edges, owing to the fact that the foreing members 6 and 27 closely fit the interior 8 of the paper vessel 1. The extreme edge of the said paper vessel is preferably protected in both cases by means of a ring such as the member 39 shown in my said Patent No. 1,133,425 or such as the ring 29 illustrated in Fig. 4 of this application. This closure will be distinguished from other closures that have heretofore been em ployed and which do not employ in their make up disks of a diameter larger than the interior of the vessel to be closed. Said former closures employ a disk either of the same diameter as the interior of the vessel or else they employ a closure slightly smaller than the interior of the vessel. The result is when such closures are employed for the shipping of milk for example, over long distances, or wherein the said-packages are severely handled, they invariably leak, whereas my closures do not.

It is obvious that those skilled in the art may vary the details of construction, as well as the steps of procedure without departing from the spirit of the invention and there- 1 fore I do not wish to be limited to the above 15 bead, substantially provided with an exterior disclosure except as may be required by the claims.

\Vhat I claim is: v

1. A vessel having a paper body portion bead, an interior head, a disk larger than the interior of said vessel fitting the interior of said first named bead, said disk contacting with and overlying said interior bead, and the extreme edge portion of said'vessel being turned in, disposed parallel to s-aid body portion, and

('rimped down against the outer face of said disk to lock. it securely against said interior as described.

2. A paper body portion of a tubular form provided with a closure comprising a disk larger than the interior of said body portion; the extreme edge of said body portion being turned over and crimped down par allel to said body portion against one face of said disk; the material of tion being forced inward on the other side of said disk to form an annular-locking shoulder; and the material of said body portion being forced outwardly to form an exterior bead in which said disk rests, substantially as described.

In testimony whereof I aflix my signature,

in presence of two witnesses.

GEORGE W. BEADLE.

Witnesses:

J. AMENSYDER,

BERTHA LEVY.

said body por- 

